267 lines
8.2 KiB
Plaintext
267 lines
8.2 KiB
Plaintext
#include "ESP8266.h"
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/**
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* @brief 恢复ESP8266到出厂设置
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* @param None
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* @retval None
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*/
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void vEsp8266Restore(NetFifoBuffer_t *pxEspBuffer)
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{
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vUsartPrintf(USART2, "AT+RESTORE\r\n");
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// if (ucEsp8266ResHandler(pxEspBuffer) == ESP8266_RESPONSE_READY)
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// {
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// /* code */
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// ucEsp8266Log(pxEspBuffer);
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// } else
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// {
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// ucEsp8266Log(pxEspBuffer);
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// }
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}
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/**
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* @brief 重置ESP8266模块
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* @param None
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* @retval None
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*/
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void vEsp8266Reset(void)
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{
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vUsartPrintf(USART2, "AT+RST\r\n");
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// if (ucEsp8266ResHandler(pxEspBuffer) == ESP8266_RESPONSE_READY)
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// {
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// /* code */
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// ucEsp8266Log(pxEspBuffer);
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// } else
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// {
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// ucEsp8266Log(pxEspBuffer);
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// }
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}
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/**
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* @brief 设置ESP8266工作模式
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* @param ucMode: 工作模式（0：SoftAP模式，1：Station模式）
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* @retval 设置后的工作模式
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*/
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eEsp8266Mode_t ucEsp8266SetMode(uint8_t ucMode)
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{
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vUsartPrintf(USART2, "AT+CWMODE=%d\r\n", ucMode);
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if (ucMode == 1)
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{
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/* code */
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return ESP8266_MODE_STATION;
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} else if (ucMode == 0)
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{
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/* code */
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return ESP8266_MODE_SOFTAP;
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} else
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{
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return INVALID_MODE; // 无效模式
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}
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}
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/**
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* @brief 连接到指定的WiFi热点
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* @param *pcSsid: WiFi名称
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* @param *pcPassword: WiFi密码
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* @retval None
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*/
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void vEsp8266JoinAp(const char *pcSsid, const char *pcPassword)
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{
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vUsartPrintf(USART2, "AT+CWJAP=\"%s\",\"%s\"\r\n", pcSsid, pcPassword);
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}
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/**
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* @brief 处理ESP8266响应
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* @param *pxEspBuffer ESP8266缓冲区指针
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* @retval 0: 继续等待, 1: 成功, 2: 失败
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*/
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eEsp8266Status_t ucEsp8266ResHandler(NetFifoBuffer_t *pxEspBuffer)
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{
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// 检查是否收到完整响应
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if (strstr(pxEspBuffer->cNetFifoBuffer, "ready") != NULL)
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{
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vNetBufferClear(pxEspBuffer);
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return ESP8266_RESPONSE_READY; // 成功
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} else if (strstr(pxEspBuffer->cNetFifoBuffer, "OK") != NULL)
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{
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vNetBufferClear(pxEspBuffer);
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return ESP8266_RESPONSE_OK; // 成功
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} else if (strstr(pxEspBuffer->cNetFifoBuffer, "ERROR") != NULL ||
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strstr(pxEspBuffer->cNetFifoBuffer, "FAIL") != NULL)
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{
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vNetBufferClear(pxEspBuffer);
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return ESP8266_RESPONSE_ERROR; // 失败
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} else
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{
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/* code */
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vNetBufferClear(pxEspBuffer);
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return ESP8266_RESPONSE_TIMEOUT; // 继续等待
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}
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}
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// /**
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// * @brief 等待ESP8266响应
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// * @param *pxEspBuffer ESP8266缓冲区指针
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// * @param xTimeout 超时时间（以TickType_t为单位）
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// * @retval 响应状态
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// */
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// eEsp8266Status_t xEsp8266WaitForResponse(NetFifoBuffer_t *pxEspBuffer, TickType_t xTimeout)
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// {
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// TickType_t startTime = xTaskGetTickCount();
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// while ((xTaskGetTickCount() - startTime) < xTimeout)
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// {
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// // 检查响应
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// eEsp8266Status_t status = ucEsp8266ResHandler(pxEspBuffer);
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// if (status != ESP8266_RESPONSE_READY)
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// {
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// return status; // 返回响应状态
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// }
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// }
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// return ESP8266_RESPONSE_TIMEOUT; // 超时，继续等待
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// }
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/**
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* @brief 记录ESP8266响应日志
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* @param *pxEspBuffer ESP8266缓冲区指针
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* @retval None
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*/
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void ucEsp8266Log(NetFifoBuffer_t *pxEspBuffer)
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{
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if (ucEsp8266ResHandler(pxEspBuffer) == ESP8266_RESPONSE_READY)
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{
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/* code */
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vUsartSendString(USART3, "WiFi Reset Successfully!\r\n");
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vUsartSendString(USART3, pxEspBuffer->cNetFifoBuffer);
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vUsartSendString(USART3, "\r\n");
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} else if (ucEsp8266ResHandler(pxEspBuffer) == ESP8266_RESPONSE_OK)
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{
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/* code */
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vUsartSendString(USART3, "Set WiFi Mode Successfully!\r\n");
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vUsartSendString(USART3, pxEspBuffer->cNetFifoBuffer);
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vUsartSendString(USART3, "\r\n");
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} else if (ucEsp8266ResHandler(pxEspBuffer) == ESP8266_RESPONSE_ERROR)
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{
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vUsartSendString(USART3, "Error!\r\n");
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vUsartSendString(USART3, pxEspBuffer->cNetFifoBuffer);
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vUsartSendString(USART3, "\r\n");
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} else
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{
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vUsartSendString(USART3, "Other Error!\r\n");
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vUsartSendString(USART3, pxEspBuffer->cNetFifoBuffer);
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vUsartSendString(USART3, "\r\n");
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}
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}
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/**
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* @brief 连接WiFi任务
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* @note 利用FreeRTOS中断消息队列机制，接收ESP8266的响应数据，并将响应数据存到内置的FIFO缓冲区内。
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* @note 问题：将接收消息队列函数和处理响应数据函数混到一块了，造成了代码的冗余。
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* @param *pvParameters 任务参数，若没有特定的参数则设置为空指针
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* @retval None
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*/
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void vTaskWifiConnection(void *pvParameters)
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{
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NetFifoBuffer_t espBuffer;
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vNetBufferInit(&espBuffer);
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uint8_t ucRetvalQueueWifiSta = 0;
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uint8_t ucRetvalQueueByte = 0;
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while (1)
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{
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/* code */
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vEsp8266Reset();
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TickType_t startTime = xTaskGetTickCount();
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while ((xTaskGetTickCount() - startTime) < pdMS_TO_TICKS(3000))
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{
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ucRetvalQueueWifiSta = xQueueReceive(xQueueUsart2IrqHdlr,
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&ucRetvalQueueByte,
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pdMS_TO_TICKS(100));
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if (ucRetvalQueueWifiSta == pdTRUE)
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{
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// 将接收到的字节处理到缓冲区
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vNetBufferWrite(&espBuffer, (char)ucRetvalQueueByte);
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// 处理响应数据
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uint8_t ucResponseStatus = ucEsp8266ResHandler(&espBuffer);
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if (strstr(espBuffer.cNetFifoBuffer, "ready") != NULL)
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{
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vUsartSendString(USART3, "WiFi Reset Successfully!\r\n");
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vUsartSendString(USART3, espBuffer.cNetFifoBuffer);
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vTaskDelay(1000);
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break;
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} else if (strstr(espBuffer.cNetFifoBuffer, "OK") != NULL)
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{
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/* code */
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vUsartSendString(USART3, "Set WiFi Mode Successfully!\r\n");
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vUsartSendString(USART3, espBuffer.cNetFifoBuffer);
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} else if (strstr(espBuffer.cNetFifoBuffer, "ERROR") != NULL ||
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strstr(espBuffer.cNetFifoBuffer, "FAIL") != NULL)
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{
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vUsartSendString(USART3, "Error!\r\n");
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vUsartSendString(USART3, espBuffer.cNetFifoBuffer);
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vUsartSendString(USART3, "\r\n");
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break;
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}
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}
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}
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vTaskDelete(NULL);
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}
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}
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void vTaskBufferRx(void *pvParameters)
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{
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NetFifoBuffer_t espBuffer;
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vNetBufferInit(&espBuffer);
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uint8_t ucRetvalQueueWifiSta = 0;
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uint8_t ucRetvalQueueByte = 0;
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while (1)
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{
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/* code */
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TickType_t startTime = xTaskGetTickCount();
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while ((xTaskGetTickCount() - startTime) < pdMS_TO_TICKS(3000))
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{
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ucRetvalQueueWifiSta = xQueueReceive(xQueueUsart2IrqHdlr,
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&ucRetvalQueueByte,
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pdMS_TO_TICKS(100));
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if (ucRetvalQueueWifiSta == pdTRUE)
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{
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// 将接收到的字节处理到缓冲区
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vNetBufferWrite(&espBuffer, (char)ucRetvalQueueByte);
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}
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}
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vTaskDelay(100);
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}
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}
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/**
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* @brief 连接WiFi任务
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* @note 重置ESP8266模块。
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* @param *pvParameters 任务参数，若没有特定的参数则设置为空指针
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* @retval None
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*/
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void vTaskWifiConnection(void *pvParameters)
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{
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NetFifoBuffer_t espBuffer;
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while (1)
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{
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/* code */
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vEsp8266Reset();
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if (strstr(espBuffer.cNetFifoBuffer, "ready") != NULL)
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{
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vUsartSendString(USART3, "WiFi Reset Successfully!\r\n");
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vUsartSendString(USART3, espBuffer.cNetFifoBuffer);
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vTaskDelay(1000);
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break;
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} else if (strstr(espBuffer.cNetFifoBuffer, "OK") != NULL)
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{
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/* code */
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vUsartSendString(USART3, "Set WiFi Mode Successfully!\r\n");
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vUsartSendString(USART3, espBuffer.cNetFifoBuffer);
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} else if (strstr(espBuffer.cNetFifoBuffer, "ERROR") != NULL ||
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strstr(espBuffer.cNetFifoBuffer, "FAIL") != NULL)
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{
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vUsartSendString(USART3, "Error!\r\n");
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vUsartSendString(USART3, espBuffer.cNetFifoBuffer);
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vUsartSendString(USART3, "\r\n");
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break;
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}
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vTaskDelete(NULL);
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}
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} |